19139787

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{11621}}^1$

素因数の和:11691

約数の個数: 16

約数和(自身を含む): 28822560

約数和(自身を除く): 9682773

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 11621, 34863, 104589, 313767, 708881, 2126643, 6379929, 19139787]

約数ペア:

[(1, 19139787), (3, 6379929), (9, 2126643), (27, 708881), (61, 313767), (183, 104589), (549, 34863), (1647, 11621)]